config_get() expression function + moved lookup.default.[hostname|domain] to server.hostname and report.domain

tests/src/imap/mod.rs

@@ -56,7 +56,7 @@ use crate::{
 };
 
 const SERVER: &str = r#"
-[lookup.default]
+[server]
 hostname = "imap.example.org"
 
 [server.listener.imap]

tests/src/smtp/reporting/dmarc.rs

@@ -29,15 +29,15 @@ const CONFIG: &str = r#"
 [session.rcpt]
 relay = true
 
-[lookup.default]
-domain = "example.org"
+[server]
+hostname = "mx.example.org"
 
 [report]
 submitter = "'mx.example.org'"
 
 [report.dmarc.aggregate]
 from-name = "'DMARC Report'"
-from-address = "'reports@' + key_get('default', 'domain')"
+from-address = "'reports@' + config_get('report.domain')"
 org-name = "'Foobar, Inc.'"
 contact-info = "'https://foobar.org/contact'"
 send = "daily"